Loudspeaker



FIG. 1 is a front, top and right side perspective view of a loudspeaker showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the side opposite being a mirror image thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof, the bottom being a mirror image thereof. 

The ornamental design for a loudspeaker, as shown and described. 